Home / 13,306,686.70-19,960,030.05-4,787,301.10

Finding the Fourth Proportional to 13,306,686.70, 19,960,030.05 and 4,787,301.10

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Solution

The fourth proportional to 13,306,686.70, 19,960,030.05 and 4,787,301.10 is: 7,180,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,686.70 : 19,960,030.05 = 4,787,301.10 : x
  2. Step 2: Convert to fraction form
    13,306,686.70/19,960,030.05 = 4,787,301.10/x
  3. Step 3: Cross multiply
    13,306,686.70x = 19,960,030.05 × 4,787,301.10
  4. Step 4: Simplify right side
    13,306,686.70x = 95,554,673,814,398.05
  5. Step 5: Solve for x
    x = 95,554,673,814,398.05/13,306,686.70
  6. Step 6: Final answer
    x = 7,180,951.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.